[Jewelry making - Article 00402] - Re: [Orchid] Rust Removal

[MillsGem]

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    Rust removal is best effected by immersion in a solution of water and
    hydrochloric ( muriatic) acid. Always pour acid into water. never
    pour water into acid. Make sure that the item to be cleaned is free
    of oil. wash it in detergent if need be) Leave the object in the
    solution until all rust is gone. Nitric acid is used for copper and
    brass.  Again, a dilute solution will do the trick. but, never leave
    brass in nitric for too long or it will eat out the zinc and you will
    trash your object. Nitric is nasty stuff. it loves to munch on
    clothing much as does sulfuric. If you get it on your skin it will
    leave an ugly brown stain. If you get it in your eyes you can kiss
    your sight goodbye ! Hydrochloric acid is readily available in the
    'States at hardware stores and sometimes at grocery stores in the
    pool supplies section. Buy a pair of plastic gloves while you're at
    it. Use baking soda to neutralize spills. Ron Mills, Mills Gem Co. Los Osos, Ca.

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